20349266

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 37100160

約数和(自身を除く): 16750894

約数列:

[1, 2, 7, 14, 19, 38, 113, 133, 226, 266, 677, 791, 1354, 1582, 2147, 4294, 4739, 9478, 12863, 15029, 25726, 30058, 76501, 90041, 153002, 180082, 535507, 1071014, 1453519, 2907038, 10174633, 20349266]

約数ペア:

[(1, 20349266), (2, 10174633), (7, 2907038), (14, 1453519), (19, 1071014), (38, 535507), (113, 180082), (133, 153002), (226, 90041), (266, 76501), (677, 30058), (791, 25726), (1354, 15029), (1582, 12863), (2147, 9478), (4294, 4739)]